I am curious how the author of this post would define (or recognize) "thinking abstractly". And I'd ask what humans do that suggests any ability to "reason abst

I am curious how the author of this post would define (or recognize) "thinking abstractly". And I'd ask what humans do that suggests any ability to "reason abstractly". I'm not saying we don't, but I am saying these sorts of arguments always leave so many begging questions. "What does it mean to think abstractly? What does it mean to think? What does it mean to reason?"